JP3683465B2 - Locking device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lock device suitable for an open / close lock of a glove box of an automobile, for example.
[0002]
[Prior art]
A glove box provided on an instrument panel of an automobile is composed of, for example, a main body provided on the instrument panel side and an opening / closing member that opens and closes relative to the main body. A locking device is provided to keep the member closed.
[0003]
This locking device is composed of a striker provided on the main body and a hook provided on the opening / closing member, and the hook is slidably held in the opening / closing member and urged in a direction to engage the striker by a compression coil spring. Has been. The hook can be moved against the compression coil spring to release the engagement with the striker.
[0004]
FIG. 5 shows an example of a hook mounting unit used in a conventional locking device. In FIG. 5, 10 is a slide member, 20 is a holder, 30 is a presser cover for holding the slide member 10 on the holder 20, and 40 is a pair of compression coil springs.
[0005]
The slide member 10 has a push surface 11 for pressing with a finger at the time of unlocking operation, and a hook 14 engaged with a striker (not shown). The hook 14 protrudes in a substantially vertical direction from the central portion of the inner surface of the slide member 10 and has a tapered surface 12 formed on the upper surface to form a wedge shape as a whole. The base side of the tapered surface 12 is a striker (not shown). The engaging step portion 13 is engaged. Further, the slide member 10 is formed with a first coil end receiving portion 15 with which one end 40 a of the compression coil spring 40 is engaged.
[0006]
On the other hand, the holder 20 has a receiving portion that receives the slide member 10, and one side of the peripheral wall 21 of the receiving portion is opened so that the push surface 11 is exposed when the slide member 10 is assembled. It has become. Further, on three sides of the peripheral wall 21, a mounting flange 22 for mounting on a lid of a glove box (not shown) is formed, and a mounting hole 23 is formed there.
[0007]
Further, an opening 24 into which the hook 14 is inserted when the slide member 10 is assembled is formed in the center of the holder 20, and the front side of the opening 24 cooperates with the hook 14 to vibrate. A protrusion 25 for preventing the striker from coming off is sometimes formed (not shown).
[0008]
Further, a coil receiving portion 26 made of a rib protruding in a U-shape is formed on both sides of the opening 24 of the inner wall of the holder 20, and a tapered taper is formed on the inner end surface of the coil receiving portion 26. A second coil end receiving portion 27 made of a pin is provided. The second coil end receiving portion 27 is inserted into the other end 40b of the compression coil spring 40 and serves to support the other end 40b.
[0009]
The presser cover 30 has a flange 31 and a mounting hole 32 that are overlapped with the flange 22 and the mounting hole 23 of the holder 20, and lock pieces 33 extend on both side walls. Is formed. Claws 28 formed on both side walls of the holder 20 are engaged with the lock hole 34, whereby the presser cover 30 is fixed to the holder 20, and the slide member 10 disposed therebetween is slidably held. It has become.
[0010]
6 and 7 are side cross-sectional views taken along a portion that passes through the first coil end receiving portion and the second coil end receiving portion that support one of the compression coil springs 40.
[0011]
When the hook mounting unit is assembled, as shown in FIG. 6, the other end 40b of the compression coil spring 40 is held by the second coil end receiving portion 27 formed of a taper pin of the coil receiving portion 26 of the holder 20, and in this state. The hook 14 of the slide member 10 is inserted into the opening 24 of the holder 20.
[0012]
At this time, as shown in FIG. 7, one end 40 a of the compression coil spring 40 is brought into contact with the wall of the first coil end receiving portion 15 of the slide member 10, and the first coil end receiving portion 15 and the second coil end receiving portion 27. The slide member 10 is assembled while the compression coil spring 40 is inserted in a compressed state. In addition, after the slide member 10 is assembled, the presser cover 30 is covered so that the slide member 10 does not come off.
[0013]
The hook mounting unit thus obtained is mounted on an opening / closing member (not shown), and when the slide member 10 is moved against the compression coil spring 40 by pushing the push surface 11 of the slide member 10, the hook 14 and the slide member 10 are moved. It moves integrally and the engagement with a striker (not shown) is released.
[0014]
FIG. 8 shows another example of a hook mounting unit used in a conventional locking device. It should be noted that substantially the same parts as those in FIG.
[0015]
In this hook mounting unit, the first coil end receiving portion 15 a provided on the slide member 10 and holding one end 40 a of the compression coil spring 40 is formed of a taper pin similar to the second coil end receiving portion 27 provided on the holder 20.
[0016]
When the hook mounting unit is assembled, the hook 14 of the slide member 10 is held in the opening 24 of the holder 20 with the other end 40 b of the compression coil spring 40 held by the second coil end receiving portion 27 formed of a taper pin of the holder 20. The compression coil spring 40 is assembled to the holder 20 while the one end 40a of the compression coil spring 40 is held by the first coil end receiving portion 15a of the slide member 10 while the compression coil spring 40 is inserted into the first coil end receiving portion 15a. And held by the second coil end receiving portion 27.
[0017]
[Problems to be solved by the invention]
However, in the conventional locking device shown in FIGS. 5 to 7, when the slide member 10 is assembled to the holder 20, one end 40 a of the compression coil spring 40 is warped from the wall of the first coil end receiving portion 15, and the compression coil spring 40. May not be installed properly and may be defective.
[0018]
Further, in the conventional locking device shown in FIG. 8, the compression coil spring 40 can be prevented from coming off by inserting the first coil end receiving portion 15a made of a taper pin of the slide member 10 into one end 40a of the compression coil spring 40. Although it is difficult to confirm whether or not the first coil end receiving portion 15a is inserted into the one end 40a of the compression coil spring 40, and even if the first coil end receiving portion 15a is once inserted, the slide member 10 may come off during the assembly, Similar to the conventional example, the compression coil spring 40 may not be properly mounted, resulting in a defective product.
[0019]
Furthermore, in any of the above conventional examples, the slide member 10 and the holder 20 must be assembled while the one end 40a of the compression coil spring 40 is held by the slide member 10 and the other end 40b is held by the holder 20. However, there are problems that workability is deteriorated, workability is deteriorated, and assembly errors are likely to occur.
[0020]
Therefore, an object of the present invention is to provide a lock device that is easy to assemble a slide member that is integral with or interlocked with a hook into a holder and that is difficult to cause a defective mounting of a compression coil spring.
[0021]
[Means for Solving the Problems]
In order to achieve the above object, according to a first aspect of the present invention, there is provided a lock device for maintaining an open / close member that opens and closes with respect to a main body in a closed state, and a striker provided on one of the main body and the open / close member. The main body and a hook provided on the other of the opening / closing member, and a slide member that is integral with or interlocked with the hook is slidably mounted on the other member via the holder. The hook is urged in a direction to engage the striker by a compression coil spring interposed between the striker and the slide member, and the striker is pressed against the compression coil spring by pressing the slide member against the compression coil spring. The hook is disengaged, and the slide member has a first coil end receiving portion with which one end of the compression coil spring engages. The holder is provided with a second coil end receiving portion that engages with the other end of the compression coil spring, and the slide member engages with the second coil end receiving portion and slides. A stopper wall for restricting the amount of movement of the member is provided, and the stopper wall has a height lower than the outer diameter of the compression coil spring, and is provided between the first coil end receiving portion and the stopper wall. When the slide member is assembled to the holder while the compression coil spring is temporarily held, the second coil end receiving portion is inserted between the stopper wall and the other end of the compression coil spring. There is provided a lock device characterized by the above.
[0022]
According to the first aspect, when the slide member is assembled to the holder, the compression coil spring may be temporarily held between the first coil end receiving portion of the slide member and the stopper wall. There is no need to perform a complicated operation of assembling the slide member and the holder while holding the slide member and holding the other end on the holder. Further, since the stopper wall has a height lower than the outer diameter of the compression coil spring, in the temporary holding state, a part of the end surface of the compression coil spring protrudes from the stopper wall, and the slide member, the holder, When assembling the holder, the portion of the end surface of the compression coil spring that protrudes from the stopper wall is brought into contact with the second coil end receiving portion and slightly compressed, so that the second coil end receiving portion of the holder is connected to the other end of the compression coil spring. And the stopper wall can be easily inserted.
[0023]
According to a second aspect of the present invention, in the first aspect, the second coil end receiving portion is formed with a guide surface for facilitating insertion into the stopper wall when the slide member is assembled to the holder. A locking device is provided.
[0024]
According to the second aspect of the present invention, by forming the guide surface for facilitating insertion into the stopper wall on the second coil end receiving portion of the holder, it is possible to simply assemble the slide member while pushing it into the holder. The second coil end receiving portion can be slid between the other end of the compression coil spring and the stopper wall, and the assembling work can be facilitated.
[0025]
DETAILED DESCRIPTION OF THE INVENTION
1 to 4 show an embodiment of a locking device according to the present invention. 1 is a perspective view showing an entire glow box to which a locking device according to the present invention is applied, FIG. 2 is an exploded perspective view showing a hook mounting unit of the locking device, and FIG. 3 is a side sectional view showing a state in which the hook mounting unit is assembled. 4 and 4 are side sectional views showing a state in which the hook mounting unit is assembled. 3 and 4 are side cross-sectional views taken along a portion passing through the first coil end receiving portion and the second coil end receiving portion that support one of the compression coil springs.
[0026]
As shown in FIG. 1, the locking device according to the present invention is applied to a glove box 50 of an automobile, for example. The glove box 50 includes an accommodating portion (corresponding to the main body in the present invention) 52 formed on the upper surface of the instrument panel 51, and a lid (opening and closing member in the present invention) attached to the accommodating portion 52 so as to be openable and closable. 53). A striker 54 to which a hook attached to the lid 53 is engaged is attached to the opening edge of the accommodating portion 52. The hook is assembled in advance as a hook attachment unit 60 in FIG. 1, and this unit 60 is installed in a housing portion 55 provided on the lid 53 and fixed with screws 56.
[0027]
As shown in FIG. 2, the hook attachment unit 60 includes a slide member 10, a holder 20, and a presser cover 30. The slide member 10 has a hook 14, and the holder 20 has an opening 24 into which the hook 14 is inserted. The presser cover 30 is fitted and fixed to the holder 20 so as to hold the slide member 10 between the presser cover 30 and slidably holds the slide member 10. Since these basic configurations are the same as those of the conventional example shown in FIGS. 5 and 8, substantially the same portions are denoted by the same reference numerals, and description of the overlapping portions is omitted.
[0028]
In the present invention, the slide member 10 is provided with a first coil end receiving portion 15 a that holds one end 40 a of the compression coil spring 40 and a stopper wall 61 that temporarily holds the other end 40 b of the compression coil spring 40. Similarly to the conventional example shown in FIG. 8, the first coil end receiving portion 15a is configured by a taper pin, and is inserted into one end 40a of the compression coil spring 40 to hold the end portion. In addition, you may comprise a 1st coil end receiving part with a mere wall as shown in FIG. The stopper wall 61 includes a wall portion formed at a height lower than the outer diameter of the compression coil spring 40, and when the compression coil spring 40 is temporarily held, a part of the end surface of the compression coil spring 40 is separated from the stopper wall 61. It is designed to protrude.
[0029]
Further, on both sides of the opening 24 of the inner wall of the holder 20, a coil receiving portion 26 made of a rib protruding in a U-shape is formed, and the inner end surface of the coil receiving portion 26 is in an assembled state. A second coil end receiving portion 62 is engaged with the other end 40 b of the compression coil spring 40. In particular, as shown in FIGS. 3 and 4, the outer surface of the second coil end receiving portion 62 is formed in a curved or tapered shape so that the wall thickness of the receiving portion 62 becomes gradually thinner toward the distal end direction. The surface 62a is formed, and when the slide member 10 is assembled, the tip edge thereof is easily inserted between the stopper wall 61 and the other end 40b of the compression coil spring 40.
[0030]
In the case of this embodiment, the slide member 10 is formed with a tapered protrusion 63 facing the engagement step portion 13 of the hook 14 at a predetermined interval. The protrusion 63 is guided along the taper surface of the protrusion 63 when the push surface 11 of the slide member 10 is pushed to release the lock, and is guided in a direction of coming out of the engagement step portion 13 of the hook 14. At the same time, the opening / closing member is moved in the opening direction. That is, by providing the projection 63, the striker 54 is reliably released from the engagement step portion 13 of the hook 14 when the push surface 11 is pushed, so that the hook 14 is returned to its original position by the spring force of the compression coil spring 40. Thus, it is possible to prevent the striker 54 from being engaged again.
[0031]
According to the locking device of the present invention having the above configuration, when the hook mounting unit 60 is assembled, the compression coil spring 40 is temporarily held between the first coil end receiving portion 15a of the slide member 10 and the stopper wall 61 in advance. Can do. As a result, the assembly work can be performed remarkably easily and without error as compared with the conventional apparatus that is assembled while holding the one end 40a of the compression coil spring 40 on the slide member 10 and holding the other end 40b on the holder 20. It becomes.
[0032]
When the slide member 10 temporarily holding the compression coil spring 40 is pushed into the holder 20 as shown in FIG. 3, the end surface protruding from the stopper wall 61 of the other end 40 b of the compression coil spring 40 is It enters the inner surface of the second coil end receiving part 62, the inner corner of the stopper wall 61 abuts on the guide surface 62a of the second coil end receiving part 62, and the second coil end receiving part 62 is compressed with the stopper wall 61. It enters between the other end 40b of the coil spring 40.
[0033]
As a result, as shown in FIG. 4, one end 40 a of the compression coil spring 40 is held by the first coil end receiving portion 15 a of the slide member 10, and the other end 40 b is engaged with the second coil end receiving portion 62 of the holder 20. Accordingly, the slide member 10 is always spring-biased in the right direction in FIG. Further, the stopper wall 61 of the slide member 10 is in contact with the outside of the second coil end receiving portion 62 of the holder 20 to restrict the movement amount of the slide member 10.
[0034]
When the hook mounting unit 60 is installed in the housing portion 55 of the lid 53 shown in FIG. 1 and fixed with screws 56 and the lid 53 is closed, the striker 54 hits the tapered surface 12 of the hook 14 and the slide member 10 is compressed. It slides against the coil spring 40, the striker 54 engages with the engagement step portion 13 of the hook 14, and the lid 53 is locked. In this state, when the push surface 11 of the slide member 10 is pressed with a finger, the slide member 10 moves against the compression coil spring 40, disengages from the striker 54, and the lid 53 opens.
[0035]
【The invention's effect】
As described above, according to the present invention, when the slide member is assembled to the holder, the compression coil spring may be temporarily held between the first coil end receiving portion of the slide member and the stopper wall. As described above, it is not necessary to perform a complicated operation of assembling the slide member and the holder while one end of the compression coil spring is held by the slide member and the other end is held by the holder, and the assembly workability is greatly improved. Further, since the stopper wall has a height lower than the outer diameter of the compression coil spring, in the temporary holding state, a part of the end surface of the compression coil spring protrudes from the stopper wall, and the slide member, the holder, When assembling the holder, the portion protruding from the stopper wall of the end surface of the compression coil spring is brought into contact with the second coil end receiving portion and slightly compressed so that the second coil end receiving portion of the holder is connected to the other end of the compression coil spring. And the stopper wall can be easily inserted.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an entire glow box to which a locking device according to the present invention is applied.
FIG. 2 is an exploded perspective view showing a hook mounting unit of the locking device.
FIG. 3 is a side sectional view showing a state in which the hook mounting unit is assembled.
FIG. 4 is a sectional view showing a state where the hook mounting unit is assembled.
FIG. 5 is an exploded perspective view showing an example of a hook mounting unit used in a conventional locking device.
FIG. 6 is a cross-sectional view showing a method of assembling the hook mounting unit.
FIG. 7 is a cross-sectional view showing a method of assembling the hook mounting unit.
FIG. 8 is an exploded perspective view showing another example of a hook mounting unit used in a conventional locking device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Slide member 11 Push surface 14 Hook 15a 1st coil end receiving part 20 Holder 24 Opening part 26 Coil receiving part 30 Presser cover 50 Glove box 51 Instrument panel 52 Holding part 53 Cover body 54 Striker 60 Hook attachment unit 61 Stopper wall 62 Second coil end receiving portion 62a Guide surface

Claims (2)

In a locking device for maintaining an open / close member that opens and closes relative to a main body in a closed state, a striker provided on one of the main body and the open / close member, and a hook provided on the other of the main body and the open / close member A slide member that is integral with or interlocked with the hook is slidably attached to the other member via a holder, and a compression coil spring interposed between the holder and the slide member. The hook is biased in a direction to engage with the striker, and the engagement between the striker and the hook is released by pushing the slide member against the compression coil spring. The slide member is provided with a first coil end receiving portion with which one end of the compression coil spring is engaged, and the holder is provided with the compression coil. A second coil end receiving portion that engages with the other end of the screw, and a stopper wall that engages with the second coil end receiving portion and regulates the amount of movement of the slide member. The stopper wall has a height lower than the outer diameter of the compression coil spring, and the compression coil spring is temporarily held between the first coil end receiving portion and the stopper wall. The locking device is configured such that when the slide member is assembled to the holder, the second coil end receiving portion is inserted between the stopper wall and the other end of the compression coil spring. The locking device according to claim 1, wherein a guide surface is formed on the second coil end receiving portion to facilitate insertion into the stopper wall when the slide member is assembled to the holder.

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